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Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres

Initial angular velocity of a circular disc of mass M is 𝜔₁.Then, two small spheres of m are attached gently to two diametrically opposite points on the edge of the disc.What is the final angular velocity of the disc?

Options

(a) (M + m / M) 𝜔₁
(b) (M + m / m) 𝜔₁
(c) (M + M / 4m) 𝜔₁
(d) (M + M / 2m) 𝜔₁

Correct Answer:

(M + M / 4m) 𝜔₁

Explanation:

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